2518910 - MDS crashes whenever a repository is started

MDS crashes whenever a repository is started, generating a core dump.

Checking the stack trace extracted from the core dump (SAP Note 1250193), you find it similar to the one below:

Program terminated with signal 11, Segmentation fault.
#0  0x00000036ec60f6ab in raise () from /lib64/libpthread.so.0
#0  0x00000036ec60f6ab in raise () from /lib64/libpthread.so.0
#1  0x00007f599ada7784 in skgesigOSCrash () from /oracle/client/12x/instantclient/libclntsh.so
#2  0x00007f599b07efa6 in kpeDbgSignalHandler () from /oracle/client/12x/instantclient/libclntsh.so
#3  0x00007f599ada7975 in skgesig_sigactionHandler () from /oracle/client/12x/instantclient/libclntsh.so
#4  <signal handler called>
#5  0x0000000000eddf98 in A2i::DataAccessFor<float>::operator()(unsigned int, unsigned int) const ()
#6  0x0000000000ee16ad in void std::__introsort_loop<__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, long, SortCompareDataAccessor<float> >(__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, __gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, long, SortCompareDataAccessor<float>) ()
#7  0x0000000000ee5bbe in A2i::TableIndexFor<float>::CreateSortIndex(A2i::BitVector const&, bool) ()
#8  0x00000000004dcdf3 in A2i::CatMgrDatabase::CreateSingleSortIndex(A2i::CatMgrTable*, unsigned int, unsigned int, A2i::SortIndexType, A2i::DBConnection::A2i_DBConnection*) ()
#9  0x00000000004e6480 in A2i::CatMgrDatabase::LoadSortIndex(A2i::CatMgrTable*, unsigned int, A2i::LanguageInfo const&, bool, bool&, A2i::DBConnection::A2i_DBConnection*) ()
#10 0x00000000004e71bd in A2i::CatMgrDatabase::CallLoadSortIndex(void*) ()
#11 0x0000000002ee4957 in A2i::ThreadedTasksRunner::CallCustomProcessingFun(A2i::ThreadedTasksRunner::CustomDataCallParams&) ()
#12 0x0000000002ee52ab in A2i::ThreadedOperationExplicitDataTypeRef<A2i::ThreadedTasksRunner::CustomDataCallParams>::ExecuteFunction() ()
#13 0x0000000002ec0fde in A2i::PooledThread::PooledThreadFunction() ()
#14 0x0000000002ec1aa9 in A2i::PooledThread::PooledThreadFunctionHelper(void*) ()
#15 0x00000036ec607aa1 in start_thread () from /lib64/libpthread.so.0
#16 0x00000036ebae8aad in clone () from /lib64/libc.so.6

SAP Netweaver MDM 7.1

down autostart load indices indexes corruption , KBA , MDM-FN-MDS , Master Data Server , Problem